1. Gauge-invariant formulation for the gravitational wave equations
   Junpei Harada
   Classical and Quantum Gravity 41 (2024) 13, 135013.
2. Dark energy in conformal Killing gravity
   Junpei Harada
   Physical Review D 108 (2023) 10, 104037.
3. Gravity at cosmological distances: Explaining the accelerating expansion without dark energy
   Junpei Harada
   Physical Review D 108 (2023) 4, 044031.
4. Cotton gravity and 84 galaxy rotation curves
   Junpei Harada
   Physical Review D 106 (2022) 6, 064044.
5. Reply to “Comment on ‘Emergence of the Cotton tensor for describing gravity”’
   Junpei Harada
   Physical Review D 104 (2021) 8, 088502.
6. Emergence of the Cotton tensor for describing gravity
   Junpei Harada
   Physical Review D 103 (2021) 12, L121502.
7. Connection independent formulation of general relativity
   Junpei Harada
   Physical Review D 101 (2020) 2, 024053.
8. Extension of Malcev Algebra and Applications to Gravity
   Junpei Harada
   Fortschritte der Physik 67 (2019) 7, 1900027.
9. Gauge coupling unification with extra Higgs doublets
   Junpei Harada
   Fortschritte der Physik 64 (2016) 6-7, 510.
10. Non-maximal θ23 , large θ13 and tri-bimaximal θ12 via quark-lepton complementarity at next-to-leading order
    Junpei Harada
    EPL(Europhysics Letters) 103 (2013) 2, 21001.
11. Spontaneous symmetry breaking in superfluid helium-4
    Junpei Harada
    Physics Letters A 367 (2007) 6, 489.
12. Neutrino mixing and CP violation from Dirac-Majorana bimaximal mixture and quark-lepton unification
    Junpei Harada
    Europhysics Letters(EPL) 75 (2006) 248.
13. Heavy quark systems in anisotropic lattice QCD
    Hideo Matsufuru, Junpei Harada, Tetsuya Onogi, Ayumu Sugita
    Nuclear Physics A 721 (2003) 875.
14. Heavy-light meson in anisotropic lattice QCD
    Hideo Matsufuru, Junpei Harada, Tetsuya Onogi, Ayumu Sugita
    Nuclear Physics B -Proc.Suppl. 119 (2003) 601.
15. Hypercharge and baryon minus lepton number in E_6
    Junpei Harada
    JHEP(Journal of High Energy Physics) 04 (2003) 011.
16. Perturbative calculation of O(a) improvement coefficients
    Junpei Harada, Shoji Hashimoto, Andreas S. Kronfeld, Tetsuya Onogi
    Physical Review D 67 (2003), 014503.
17. Charmed hadron physics in quenched anisotropic lattice QCD
    Junpei Harada, Hideo Matsufuru, Tetsuya Onogi, Ayumu Sugita
    Nuclear Physics B -Proc.Suppl. 111 (2002) 282.
18. Heavy quark action on anisotropic lattices
    Junpei Harada, Hideo Matsufuru, Tetsuya Onogi, Ayumu Sugita
    Physical Review D 66 (2002), 014509.
19. Application of heavy-quark effective theory to lattice QCD. III. Radiative corrections to heavy-heavy currents
    Junpei Harada, Shoji Hashimoto, Andreas S. Kronfeld, Tetsuya Onogi
    Physical Review D 65 (2002), 094514.
20. Application of heavy-quark effective theory to lattice QCD. II. Radiative corrections to heavy-light currents
    Junpei Harada, Shoji Hashimoto, Ken-Ichi Ishikawa, Andreas S. Kronfeld, Tetsuya Onogi, Norikazu Yamada
    Physical Review D 65 (2002), 094513.
21. One-loop renormalization of heavy-light currents
    Junpei Harada, Shoji Hashimoto, Ken-Ichi Ishikawa, Andreas S. Kronfeld, Tetsuya Onogi, Norikazu Yamada
    Nuclear Physics B -Proc.Suppl. 106 (2002) 802.
22. O(a)-improved quark action on anisotropic lattices and perturbative renormalization of heavy-light currents
    Junpei Harada, Andreas S. Kronfeld, Hideo Matsufuru, Noriaki Nakajima, Tetsuya Onogi
    Physical Review D 64 (2001), 074501.

一般相対性理論を内包する、より大きな枠組みの重力理論の研究を行なっています。